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Finding the Fourth Proportional to 59.22, 81.76 and 46.08

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Solution

The fourth proportional to 59.22, 81.76 and 46.08 is: 63.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.22 : 81.76 = 46.08 : x
  2. Step 2: Convert to fraction form
    59.22/81.76 = 46.08/x
  3. Step 3: Cross multiply
    59.22x = 81.76 × 46.08
  4. Step 4: Simplify right side
    59.22x = 3,767.50
  5. Step 5: Solve for x
    x = 3,767.50/59.22
  6. Step 6: Final answer
    x = 63.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.